What is the best way for me to get 6 pack abs?

I am 16 years old.
I am 6’1" and about 155lbs
I dont have much of a diet, i eat whatever i want, or whatever i like.
I have a fast metabolism.

Please help me. what is the best way for me to get 6 packs abs without going on much of a diet. what is the fastest most efficient way to get abs?

Thanks.

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